December weather forecast
Bailey Island, ME

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Weather in December

The first month of the winter, December, is also a wintry month in Bailey Island, Maine, with temperature in the range of an average low of 27.3°F (-2.6°C) and an average high of 36.3°F (2.4°C).

Temperature

In Bailey Island, entering December brings a temperature decrement, reducing from November's frosty 45.7°F (7.6°C) to an icy 36.3°F (2.4°C). In Bailey Island, December nights maintain a consistent temperature, with an average low of 27.3°F (-2.6°C).

Humidity

In Bailey Island, the average relative humidity in December is 77%.

Rainfall

In Bailey Island, in December, it is raining for 8.2 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, there are 117.6 rainfall days, and 19.8" (503mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Bailey Island, during December, snow falls for 5.5 days and regularly aggregates up to 2.05" (52mm) of snow. Throughout the year, there are 28.5 snowfall days, and 12.05" (306mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 0min of daylight.
On the first day of December, sunrise is at 6:54 am and sunset at 4:04 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:12 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 4.6h of sunshine.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Bailey Island in December?

The average high-temperature and low-temperature during December are 36.3°F (2.4°C) and 27.3°F (-2.6°C) respectively.

What is the average humidity in December?

The average relative humidity in December is 77%.

How much does it rain in December?

In Bailey Island, during December, the rain falls for 8.2 days and regularly aggregates up to 1.97" (50mm) of precipitation.

How many days does it snow in December?

In Bailey Island, during December, snow falls for 5.5 days and regularly aggregates up to 2.05" (52mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 0min of daylight.

How many hours of daylight does Bailey Island have in December?

In Bailey Island, the average day length in December is 8h and 59min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:54 am and sunset at 4:04 pm. On the last day of the month, in Bailey Island, sunrise is at 7:13 am and sunset at 4:12 pm EST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 4.6h of sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 4.6h.

What is the month with the lowest UV index?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in December?

In Bailey Island, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Bailey Island, ME

Average temperature in December - Bailey Island, ME
  • Average high temperature in December: 36.3°F

The warmest month (with the highest average high temperature) is August (72.3°F).
The month with the lowest average high temperature is January (30.2°F).

  • Average low temperature in December: 27.3°F

The months with the highest average low temperature are July and August (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average pressure in December
Bailey Island, ME

Average pressure in December - Bailey Island, ME
  • Average pressure in December: 30.01"Hg

The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Bailey Island, ME

Average wind speed in December - Bailey Island, ME
  • Average wind speed in December: 11.2mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).

Average humidity in December
Bailey Island, ME

Average humidity in December - Bailey Island, ME
  • Average humidity in December: 77%

The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (74%).

Average rainfall in December
Bailey Island, ME

Average rainfall in December - Bailey Island, ME
  • Average rainfall in December: 1.97"

The wettest month (with the highest rainfall) is October (2.28").
The driest month (with the least rainfall) is September (0.94").

Average rainfall days in December
Bailey Island, ME

Average rainfall days in December - Bailey Island, ME
  • Average rainfall days in December: 8.2 days

The month with the highest number of rainy days is July (14.5 days).
The month with the least rainy days is January (4.4 days).

Average snowfall in December
Bailey Island, ME

Average snowfall in December - Bailey Island, ME
  • Average snowfall in December: 2.05"

The month with the highest snowfall is February (3.39").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Bailey Island, ME

Average snowfall days in December - Bailey Island, ME
  • Average snowfall days in December: 5.5 days

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Bailey Island, ME

Average daylight in December / Average sunshine in December - Bailey Island, ME
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days in December
Bailey Island, ME

Average sunshine days in December - Bailey Island, ME
  • Average sunshine days in December: 17.3 days

The month with the most sunshine days is September (19 days).
The month with the least sunshine days is July (14.7 days).

Average UV index in December
Bailey Island, ME

Average UV index in December - Bailey Island, ME
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in December
Bailey Island, ME

Average cloud cover in December - Bailey Island, ME
  • Average cloud cover in December: 49

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
Bailey Island, ME

Average visibility in December - Bailey Island, ME
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Bailey Island, Maine, USA

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